We have about 6 years of “dongle book pro” complaints on this forum. Go back and folks complain about lack of FireWire. Apple hasn’t been afraid of dropping ports. Lightning is an exception considering how consumer unfriendly it would be to switch to USB-c too soon.While I don't think this item is going to be a consumer product, it's not because of the presence of legacy ports. Apple uses old ports all the time.
I think routers were never a good business for Apple. You could still get by with an 802.11g router up until 2014. So folks rarely switched them. That and I doubt most people wanted to buy a router after their internet provider installed one. I’ve lived in a new house for over a year and I still haven’t added my eeros to my network. Something weird about buying routers for your router.Outsold by their competitors who had better ideas.